[TASK] Copy is missing in pagetree context menu without edit permissions

Show copy option in pagetree context menu also without edit permission

Change-Id: Icefaa7ef775fa5eb23652e00fe7643ae863c0e19
Resolves: #73470
Releases: master, 7.6
Reviewed-on: https://review.typo3.org/46893


Reviewed-by: Bjoern Jacob <bjoern.jacob@tritum.de>
Tested-by: Bjoern Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Daniel Maier <dani-maier@gmx.de>
Tested-by: Daniel Maier <dani-maier@gmx.de>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>